Logic Masters Deutschland e.V.

This might be a hard 3-star, but I think once you see it, it's really not that hard.

Please let me know what you think, appreciate it!

What Works?

- Normal Sudoku rules apply.

- Region Sum lines: Digits on a line have the same sum in each region the line passes through

- Black dots: Cells joined by a black dot must have a ratio of 2:1.

- White dots: Cells joined by a white dot must have a difference of 1.

- Little killers: The numbered arrows outside the grid indicate the sum of the digits in the corresponding direction. Digits can repeat in the direction of the arrow, if allowed by other rules.

- Positive diagonal: Along the diagonal digits cannot repeat

Sudokupad